Rain gauge box



FIG. 1 is a right front perspective view of a rain gauge box showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a right front perspective view thereof with the front door open. 

The ornamental design for a rain gauge box, as shown and described. 